diff options
Diffstat (limited to 'm.asm')
| -rw-r--r-- | m.asm | 119 |
1 files changed, 0 insertions, 119 deletions
@@ -1,119 +0,0 @@ -bits 64 - -%define SYS_WRITE (1) -%define SYS_EXIT (60) -%define STDOUT (1) -%define SCALE (1024) -%define FOUR (4096) -%define MAX_ITER (32) -%define W (80) -%define H (30) -%define RSPAN (3584) -%define RMIN (2560) -%define ISPAN (2458) -%define IMIN (1229) - -section .data -palette: db ` .:-=+*#%@` -.len equ $ - palette - -section .text -global main - -main: - push rbp - mov rbp, rsp - sub rsp, 96 - mov r12, 0 -row_loop: - mov rax, r12 - imul rax, ISPAN - mov rcx, H - cqo - idiv rcx - sub rax, IMIN - mov r9, rax - mov r13, 0 -col_loop: - mov rax, r13 - imul rax, RSPAN - mov rcx, W - cqo - idiv rcx - sub rax, RMIN - mov r8, rax - mov r14, 0 - mov r15, 0 - mov rbx, 0 -iter_loop: - mov rax, r14 - imul rax, r14 - mov rcx, SCALE - cqo - idiv rcx - mov r10, rax - mov rax, r15 - imul rax, r15 - mov rcx, SCALE - cqo - idiv rcx - mov r11, rax - mov rax, r10 - add rax, r11 - cmp rax, FOUR - jle .if_end_0 - jmp plot -.if_end_0: - mov rax, r14 - imul rax, r15 - imul rax, 2 - mov rcx, SCALE - cqo - idiv rcx - add rax, r9 - mov rsi, rax - mov rax, r10 - sub rax, r11 - add rax, r8 - mov r14, rax - mov r15, rsi - add rbx, 1 - cmp rbx, MAX_ITER - jge .if_end_1 - jmp iter_loop -.if_end_1: -plot: - mov rax, rbx - imul rax, 9 - mov rcx, MAX_ITER - cqo - idiv rcx - mov rsi, palette - add rsi, rax - movzx rdx, byte [rsi] - lea rdi, [rbp - 81] - add rdi, r13 - mov byte [rdi], dl - add r13, 1 - cmp r13, W - jge .if_end_2 - jmp col_loop -.if_end_2: - lea rdi, [rbp - 81] - add rdi, W - mov rax, 10 - mov byte [rdi], al - mov rax, SYS_WRITE - mov rdi, STDOUT - lea rsi, [rbp - 81] - mov rdx, W - add rdx, 1 - syscall - add r12, 1 - cmp r12, H - jge .if_end_3 - jmp row_loop -.if_end_3: - mov rax, SYS_EXIT - mov rdi, 0 - syscall |